Calista C1-9 Home Theater Bass Roll Off

An electrical network built into some microphones to reduce the amount of output at bass frequencies when close-micing.

Full
A quality of the sound of having all frequencies present, especially the low frequencies.

Calista C2-88 Projector Crossover, Passive
Used inside of full range speaker cabinets to separate highs, mids, and lows and send them to their respective speakers within the each cabinet. These are not as efficient as active crossovers because they require all frequencies to draw from the same source of amplification.

Active Crossover
Uses active devices (transistors, IC's, tubes) and some form of power supply to operate.

Calista C3-S Security System Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.

Floppy Disk (Floppy Disc)
A round flat object (usually housed in a protective sleeve) coated with material that can be magnetized in a similar manner to tape.

Attenuation
A making smaller: reduction of electrical or acoustic signal strength. Calista Reviews

Dolby
Trade name for a series of noise reduction systems that have become standard on many tape playback machines. Many film soundtracks are produced using this process. Different varieties are found from Dolby B on most personal cassette players, to Dolby SR and Digital, the current state of the art for cinema.

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